Logarithm Calculator
Calculate logarithms using any base, including common logarithms (log₁₀) and natural logarithms (ln).
A logarithm answers the question: “To what power must a base be raised to produce a given number?”
This calculator helps students and professionals quickly compute logarithms and understand the steps involved.
Calculate Logarithm
Result
Calculation Steps
How to Use
- Enter a positive number x.
- Select the logarithm type you want to calculate.
- If using a custom base, enter a base b greater than 0 and not equal to 1.
- Click Calculate Logarithm to see the answer and step-by-step explanation.